Finding the Fourth Proportional to 155,930.36, 233,880.96 and 43,620.68
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Solution
The fourth proportional to 155,930.36, 233,880.96 and 43,620.68 is: 65,426.94
Step by Step Solution
- Step 1: Write the proportion equation
155,930.36 : 233,880.96 = 43,620.68 : x - Step 2: Convert to fraction form
155,930.36/233,880.96 = 43,620.68/x - Step 3: Cross multiply
155,930.36x = 233,880.96 × 43,620.68 - Step 4: Simplify right side
155,930.36x = 10,202,046,514.25 - Step 5: Solve for x
x = 10,202,046,514.25/155,930.36 - Step 6: Final answer
x = 65,426.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.